STRUCTURE AND TRIBOLOGICAL PROPERTIES OF NITROGEN ION MODIFIED THERMAL-SPRAYED COATING OBTAINED FROM 06X19H9T STEEL
А. Н. ГригорчикJoint Institute of Machine Building National Academy of Science of BelarusВ. А. КукарекоJoint Institute of Machine Building National Academy of Science of BelarusМ. А. БелоцерковскийJoint Institute of Machine Building National Academy of Science of BelarusA. V. ByeliPhysicotechnical Institute National Academy of Science of Belarus
ABI
Abstract
The effect of ion-beam nitriding on a structure, and phase composition as well as tribological properties of thermal-sprayed coating obtained by supersonic deposition of austenitic steel 06X19H9T was investigated. It was shown that ion-beam treatment results in an increase of microhardness of coatings surface layer up to 785 – 1410 HV 0.025 and wear resistance up to 35 times. Based on the obtained results the temperature regime of ion-beam nitriding which ensures the highest tribological and strength properties was chosen.
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